Morocco’s 2027 budget: Dam, desalination and irrigation projects, region by region

Construction work on the Ratba Dam. (Y. Jaoual/Le360)

Eighteen dams are under construction or being raised across nine regions, according to the regional investment breakdown accompanying Morocco’s draft 2027 Finance Bill. The program also includes desalination, drinking water supply and irrigation projects.

On 26/10/2026 at 14h30

Water is among the priorities of Morocco’s 2027 budget. The regional investment breakdown published by the Ministry of Economy, Finance and Public Sector Performance details completed, ongoing and newly planned projects. Implementation rates are as of June 30, while dam construction costs exclude land expropriation expenses. Payment appropriations refer to the amounts budgeted for each financial year.

Tangier-Tetouan-Al Hoceima

The region completed Ghiss Dam in 2025 at a cost of MAD 1.2019 billion. The structure stands 86 meters above its foundations and has a storage capacity of 93 million cubic meters. Two other dams are under construction.

Bou Ahmed Dam, costing MAD 2.42905 billion and designed to hold 96 million cubic meters, has reached 0% financial execution and 3% physical completion. Payment appropriations are set at MAD 277.5 million in 2027, MAD 604 million in 2028 and MAD 659.2 million in 2029.

The Tfer Dam project, estimated at MAD 1.3075 billion, is intended to provide an annual transferable water volume of 400 million cubic meters from the Laou and Loukkos basins. The contract is currently being awarded, with payment appropriations of MAD 76.6 million in 2027, MAD 334 million in 2028 and MAD 539.2 million in 2029.

Irrigation investment is also moving ahead. The Sidi Redouane irrigation scheme, costing MAD 750 million, will equip 5,000 hectares of cereal and legume farmland, with MAD 75 million allocated for 2027. The second phase of the Dar Khrofa project, valued at MAD 502 million, will cover another 5,000 hectares and receive MAD 206 million in 2027.

Oriental

Three major dam projects are at an advanced stage. Targa Oumadi Dam, costing MAD 1.5056 billion with a capacity of 287 million cubic meters, has reached 72.5% financial execution and 90.5% physical completion. Work to raise Mohamed V Dam, a MAD 1.25 billion project that will bring its capacity to 980 million cubic meters, stands at 57.3% and 78%, respectively. Beni Azimane Dam, costing MAD 1.34282 billion with a capacity of 44 million cubic meters, is nearing completion at 98%, with just MAD 24.4 million in payment appropriations scheduled for 2027.

On drinking water supply, the National Office of Electricity and Drinking Water (ONEE), through its water division, is committing MAD 322 million to an electricity line supporting the region’s seawater desalination supply system, including MAD 156 million in 2027.

Fez-Meknes

The region is home to the largest dam project listed in the investment breakdown. Ratba Dam, costing MAD 3.2689 billion and designed to hold 1.009 billion cubic meters, has reached 52.5% financial execution and 56% physical completion. It is allocated MAD 562.8 million in 2027, MAD 470 million in 2028 and MAD 300 million in 2029.

Sidi Abbou Dam, costing MAD 896.86 million with a capacity of 200 million cubic meters, is physically 100% complete. Ribat Al Kheir Dam, valued at MAD 1.471 billion and designed to store 124 million cubic meters, is 28% complete, with MAD 303 million scheduled for 2027.

Two further projects are included in the program. Raising Bouhouda Dam, at an estimated cost of MAD 2.00325 billion, would increase its capacity from 44.7 million to 600 million cubic meters by raising the structure 70 meters. Bab Ouender Dam, estimated at MAD 1.69475 billion, would have a capacity of 325 million cubic meters. Both projects carry identical payment appropriations: MAD 21.6 million in 2027, MAD 78.1 million in 2028 and MAD 434 million in 2029.

The MAD 9 billion Saïss Plain hydro-agricultural preservation project is the most expensive water-related scheme in the program. It targets 30,000 hectares and 7,300 farms, drawing 125 million cubic meters annually from M’dez Dam. Financial execution stands at 81% and physical completion at 90%, with MAD 913 million allocated for 2027 and MAD 900 million for 2028.

Among public-sector investments, ONEE is strengthening Taza’s drinking water supply from Bab Louta Dam at a cost of MAD 450 million. The Regional Multiservice Company is investing MAD 336.2 million in the main Oued Fez sewer collector and MAD 865 million in the first phase of a new activated-sludge wastewater treatment plant.

Rabat-Sale-Kenitra

Completed in 2025 at a cost of MAD 1.2326 billion, Koudiat Borna Dam provides an average of 96 million cubic metres of water annually. The contract for Boukhemis Dam, costing MAD 1.36639 billion with a capacity of 650 million cubic metres, has recently been approved. Payment appropriations begin at MAD 75.1 million in 2027 and rise to MAD 656.2 million in 2029.

Water from Koudiat Borna will supply the MAD 7 billion Gharb hydro-agricultural development project. Covering 30,000 hectares, the scheme includes a water conveyance capacity of 72 cubic metres per second. It will receive MAD 900 million in 2027, followed by MAD 2 billion in each of 2028 and 2029.

The region is also investing in desalination. The transfer of desalinated water, including the pumping station and main collector, is budgeted at MAD 6.197 billion, of which MAD 3.099 billion is allocated for 2027. An expansion of the treatment plant supplied by Sidi Mohamed Ben Abdellah Dam will add two cubic meters per second of capacity for the Atlantic coast, at a cost of MAD 420 million.

Beni Mellal-Khenifra

Two dams are under construction. The Oued Lakhdar Dam, costing MAD 1.4624 billion with a capacity of 150 million cubic meters, is well advanced, with financial execution at 59% and physical completion at 90%.

Taghzirt Dam, costing MAD 1.36322 billion and designed to store 85 million cubic meters, is only 12% physically complete. Its payment appropriations, however, rise to MAD 236.9 million in 2027 and MAD 398.5 million in 2028.

The Irrigation Resilience and Sustainability Project (REDI), valued at MAD 807 million, has reached 34% financial execution. ONEE is also working to secure drinking water supplies for M’rirt (MAD 165 million), Fquih Ben Salah (MAD 605 million) and central Morocco through the expansion of a demineralization plant (MAD 140 million). The Tadla Regional Agricultural Development Office (ORMVA) is allocating MAD 374 million to modernize irrigation networks.

Casablanca-Settat

The region has one dam under construction, the Aïn Ksob medium-sized dam, costing MAD 390.38 million and with a capacity of 13.93 Mm³. Financial completion stands at 15.5%, while physical completion has reached 30%.

The main project is the modernization of the Bas Service main canal, costing MAD 3,422.5 million. It includes the rehabilitation of 111 kilometers of the main canal and 17 kilometers of irrigation canals. Physical completion is just 5%, but payment appropriations will rise from MAD 55 million in 2027 to MAD 420 million in 2028.

For flood protection, the Regional Multiservice Company is implementing a priority stormwater drainage program in Casablanca, Mohammedia and Dar Bouazza, valued at MAD 4.67833 billion, including MAD 461 million in 2027.

Marrakech-Safi

Boulaouane Dam, costing MAD 1.13887 billion with a capacity of 66 million cubic meters, has reached 64% financial execution and 83% physical completion. The medium-sized Tassa Ouirgane Dam, valued at MAD 503.43 million with a capacity of 3 million cubic meters, stands at 24.2% and 50%, respectively, with MAD 160.5 million allocated for 2027.

The Haouz irrigation area downstream of Aït Ziat Dam is benefiting from a MAD 538 million project to secure irrigation for 16,940 hectares. Work is only just beginning, with MAD 111 million scheduled for 2027, followed by MAD 120 million annually.

The Haouz Regional Agricultural Development Office’s national irrigation water-saving program is valued at MAD 3.643 billion. ONEE is investing MAD 285 million to supply El Kelâa des Sraghna and El Attaouia with water from the Rocade Canal.

Draa-Tafilalet

The small Oulhou Dam, costing MAD 33.3 million with a capacity of 1.12 million cubic meters, is 12% physically complete. A MAD 31.5 million maintenance project will rehabilitate the bottom-outlet equipment at Timkit Dam in Tinejdad. ONEE is also strengthening drinking water supplies for Midelt (MAD 130 million) and rural communities in Zagora province, with MAD 143 million allocated to the third phase.

Souss-Massa

Tamri Dam, costing MAD 2.30495 billion with a capacity of 204 million cubic meters, has reached 79.1% financial execution and 94% physical completion. Work to raise Mokhtar Soussi Dam, valued at MAD 1.55799 billion and designed for a capacity of 280 million cubic meters, stands at 76% and 84%, respectively.

The medium-sized Msalit Dam, costing MAD 742.55 million with a capacity of 31.24 million cubic meters, has reached 8.6% financial execution and 34% physical completion, with payment appropriations peaking at MAD 306.37 million in 2027. A small dam at Tamaloukt, costing MAD 47.8 million, is also planned to support drinking water supply, irrigation and groundwater recharge.

The transfer of water from Agadir’s desalination plant, a MAD 2.83333 billion project, will receive MAD 533.3 million in 2027. The Regional Multiservice Company is also investing MAD 1.47335 billion in drinking water supplies for rural villages in Taroudant province and MAD 117 million to secure supplies for Aït Amira. The Souss-Massa Regional Agricultural Development Office is overseeing the REDI project (MAD 543.05 million) and the rehabilitation of small- and medium-scale irrigation areas (MAD 567 million).

Guelmim-Oued Noun

The region has just one water-related project in the programme: a MAD 10 million operation to remove sediment from the small Ouin Koura Dam and improve its storage capacity.

Laayoune-Sakia El Hamra

The main project is the MAD 850 million seawater intake for Laayoune’s desalination plant, intended to secure drinking water supplies for the city and surrounding centers. Physical completion stands at 12%. Payment appropriations jump to MAD 350 million in 2027 and MAD 358 million in 2028. The Regional Multiservice Company is allocating a further MAD 300 million to the city’s drinking water networks, including MAD 150 million in 2027, and MAD 453 million to wastewater infrastructure, including MAD 192.12 million in 2027.

Dakhla-Oued Ed-Dahab

A 60 MW wind farm dedicated to powering seawater desalination was completed in 2025 at a cost of MAD 1.061 billion. ONEE is continuing work on a MAD 450 million water pipeline from the desalination plant, with MAD 50 million allocated for 2027. The pipeline is intended to supply Dakhla, the future Atlantic port and the planned industrial and logistics zone.

By Hajar Kharroubi
On 26/10/2026 at 14h30